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A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed.In the US classification, nuclear-powered submarines are designated as SSxN, where the SS denotes submarine, x=G means that the submarine is equipped with guided missiles (usually cruise missiles), x=B means that the submarine is equipped with ballistic missiles (usually intercontinental) and the ...
Nuclear power would allow submarines to have greater accuracy and the ability to use torpedoes against ships, other submarines, and land targets. [11] In response to this the attack submarine became more important, particularly in regard to its postulated role as a hunter-killer. The US also used nuclear submarines as radar pickets for a while ...
Only the United States Navy, the Royal Navy of the United Kingdom, and France's Marine Nationale field an all-nuclear submarine force. By 1989, there were over 400 nuclear-powered submarines operational or being built. [6] Some 250 of these submarines have now been scrapped and some on order cancelled, due to weapons reduction programs.
In the 67 years since the Navy launched the world's first nuclear-powered sub, USS Nautilus, its boats have only gotten more capable and more deadly.
U.S. Navy Submarine Force Pacific describes the nuclear-powered Ohio-class SSGNs and the USS Ohio as a critical tool to "project power and provide forward presence" and a "key component of our ...
China's interest in nuclear submarines dates as far back as the mid 1950s, immediately after the US Navy commissioned the world's first nuclear submarine, USS Nautilus. But with the Soviet Union ...
The United States lost two nuclear submarines during this time: USS Thresher and Scorpion. The Thresher was lost due to equipment failure, and the exact cause of the loss of the Scorpion is not known. The sinking of PNS Ghazi in the Indo-Pakistani War of 1971 was the first submarine casualty in the South Asian region.
The nuclear submarine is part of America’s so-called “nuclear triad” of atomic weapons — which also includes land-based ballistic missiles and nuclear bombs aboard strategic bombers.